Search Results - "Ikeda, Masazumi"

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    Successful treatment of severe intra‐amniotic inflammation and cervical insufficiency with continuous transabdominal amnioinfusion and cerclage: A case report by Ikeda, Masazumi, Ono, Takeshi, Tsumura, Keisuke, Yamasaki, Fumio, Nomiyama, Makoto, Yokoyama, Masatoshi

    “…Severe intra‐amniotic inflammation, even with a negative bacterial culture, can lead to premature labor. We report a 43‐year‐old multiparous woman with severe…”
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    Continuous amnioinfusion for treatment of mid‐trimester preterm premature rupture of membranes with oligoamnios by Ono, Takeshi, Tsumura, Keisuke, Kawasaki, Izumi, Ikeda, Masazumi, Hideshima, Misako, Tsuda, Satoko, So, Kunio, Kawaguchi, Atsushi, Nomiyama, Makoto, Yokoyama, Masatoshi

    “…Aim Given the scarcity of relevant reports, this study aimed to elucidate whether pregnancy can be prolonged by maintaining the amniotic fluid volume with…”
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    Asymmetric Synthesis of β-Hydroxy Acid via Stereoselective Dirhodium(II)-Catalyzed C–H Insertion of α-Alkoxydiazoketone by Yakura, Takayuki, Tanaka, Takeshi, Ikeda, Masazumi, Uenishi, Jun'ichi

    “…A new methodology for the asymmetric synthesis of β-hydroxy acid was developed. Dirhodium(II)-catalyzed C–H insertion of α-alkoxydiazoketone (3), which was…”
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    Chemo- and stereoselective dirhodium(II)-catalyzed C-H insertion reaction of 5,6-dioxygenated 2-diazo-3-oxohexanoates: Synthesis of an optically active highly functionalized cyclopentane by Yakura, Takayuki, Ueki, Akiharu, Kitamura, Tsuyoshi, Tanaka, Kenji, Nameki, Masatake, Ikeda, Masazumi

    Published in Tetrahedron (11-06-1999)
    “…Methyl ( S)- α-diazo-2,2-dimethyl-β-oxo-1,3-dioxolane-2-butanoate ( 4), upon treatment with dirhodium(II) tetraacetate in refluxing dichloromethane, gave…”
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    Sulfur-directed 5- Exo selective aryl radical cyclization onto enamide: A simple route to chilenine by Ishibashi, Hiroyuki, Kawanami, Hirotaka, Iriyama, Hiroko, Ikeda, Masazumi

    Published in Tetrahedron letters (1995)
    “…Bu 3SnH-mediated aryl radical cyclization of the N-( o-bromoaroyl)enamine 5 took place in a 5- exo- trig manner exclusively to give isoindolone 7, which was…”
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    Cytoprotective Effects of 4, 6-Bis(1H-pyrazol-1-yl)pyrimidine and Related Compounds on HCl·Ethanol-Induced Gastric Lesions in Rats by IKEDA, Masazumi, MARUYAMA, Kazumi, NOBUHARA, Youichi, YAMADA, Toshihiro, OKABE, Susumu

    Published in Chemical & pharmaceutical bulletin (01-03-1997)
    “…Bis(1H-pyrazol-1-yl)- and bis(1H-imidazol-1-yl)pyrimidines were synthesized and evaluated for cytoprotective effects. Among them, 4,…”
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    A Formal Total Synthesis of (-)-Cephalotaxine by IKEDA, Masaszumi, BIALY, Serry A.A. EL, HIROSE, Ken-ichi, KOTAKE, Miho, SATO, Tatsunori, BAYOMI, Said M.M., SHEHATA, Ihsan A., ABDELAL, Ali M., GAD, Laila M., YAKURA, Takayuki

    Published in Chemical & pharmaceutical bulletin (01-07-1999)
    “…A formal total synthesis of (-)-cephalotaxine (1) has been achieved. The key step is an intramolecular aldol condensation of the diketone 9, which in turn was…”
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    Synthesis and Cytoprotective Antiulcer Activity of 2- or 4-(1H-Pyrazol-1-yl)pyrimidine Derivatives Related to Mepirizole and Dulcerozine by IKEDA, Masazumi, MARUYAMA, Kazumi, NOBUHARA, Youichi, YAMADA, Toshihiro, OKABE, Susumu

    “…(1H-Pyrazol-1-yl)-, (1H-imidazol-1-yl)-, and (1H-1, 2, 4-triazol-1-yl)phrimidines were prepared and evaluated for cytoprotective antiulcer activity. Among…”
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    Synthesis of Octahydrobenzo[b]furans Using Tandem Conjugate Addition Reactions Initiated by Oxygen Nucleophile by YAKURA, Takayuki, YAMADA, Seiji, SHIMA, Mari, IWAMOTO, Masae, IKEDA, Masazumi

    “…When 1-nitrocyclohexene (1) was treated with methyl 4-hydroxy-2-butynoate (2) in the presence of potassium tert-butoxide in tetrahydrofuran-tert-butanol at 0°C…”
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    Approaches to the Cephalotaxine Skeleton Using an Intramolecular Heck Reaction by IKEDA, Masazumi, HIROSE, Ken-ichi, BIALY, Serry A.A. EL, SATO, Tatsunori, YAKURA, Takayuki, BAYOMI, Said M.M.

    “…1-[2-(o-Iodophenyl)acetyl]-2-(prop-2-enyl)-2-vinylpyrrolidine (17), upon treatment with palladium(II) acetate [Pd(OAc)2] in the presence of triphenylphosphine…”
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    新反応を求めて —含窒素複素環化合物の合成研究を中心に by 池田, 正澄

    Published in YAKUGAKU ZASSHI (01-04-2004)
    “…ハイドロボレーションの発見によって1979年にノーベル化学賞を受賞されたH. C. ブラウン先生1)が, どうしてホウ素の研究を始めたかということについて述べておられる. それによると1936年に先生がシカゴ大学を卒業されたときにクラスメートの女子学生(後に奥様になられた)から卒業記念として一冊の本を贈られた…”
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